Title: W3c Error
Last modified: August 21, 2016

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# W3c Error

 *  [tjmarx73](https://wordpress.org/support/users/tjmarx73/)
 * (@tjmarx73)
 * [11 years, 9 months ago](https://wordpress.org/support/topic/w3c-error-2/)
 * I went over to w3c to validate website. it came up with these following errors.
   What must I do to fix these errors?
 *  Line 18, Column 47: Attribute xmlns:og not allowed here.
    xmlns:fb=”[http://www.facebook.com/2008/fbml&#8221](http://www.facebook.com/2008/fbml&#8221);
   > ✉
 * • Line 18, Column 47: Attribute with the local name xmlns:og is not serializable
   as XML 1.0.
    xmlns:fb=”[http://www.facebook.com/2008/fbml&#8221](http://www.facebook.com/2008/fbml&#8221);
   > ✉
 * • Line 18, Column 47: Attribute xmlns:fb not allowed here.
    xmlns:fb=”[http://www.facebook.com/2008/fbml&#8221](http://www.facebook.com/2008/fbml&#8221);
   > ✉
 * • Line 18, Column 47: Attribute with the local name xmlns:fb is not serializable
   as XML 1.0.
    xmlns:fb=”[http://www.facebook.com/2008/fbml&#8221](http://www.facebook.com/2008/fbml&#8221);
   > ✉
 * • Line 23, Column 79: Bad value X-UA-Compatible for attribute http-equiv on element
   meta.
    <meta http-equiv=”X-UA-Compatible” content=”IE=9; IE=8; IE=7; IE=EDGE”/
   > ✉
 * • Line 108, Column 238: Bad value for attribute width on element img: The empty
   string is not a valid non-negative integer.
    …oads/2014/06/logo_130594_print1.
   jpg” alt=”Back Home” width=”” height=”” /> Syntax of non-negative integer: One
   or more digits (0–9). For example: 42 and 0 are valid, but -273 is not.
 * • Line 108, Column 238: Bad value for attribute height on element img: The empty
   string is not a valid non-negative integer.
    …oads/2014/06/logo_130594_print1.
   jpg” alt=”Back Home” width=”” height=”” /> Syntax of non-negative integer: One
   or more digits (0–9). For example: 42 and 0 are valid, but -273 is not.
 * • Line 328, Column 151: Article lacks heading. Consider using h2-h6 elements 
   to add identifying headings to all articles.
    …icle id=”page-7″ class=”post-7
   page type-page status-publish hentry row-fluid”>

The topic ‘W3c Error’ is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 0 replies
 * 1 participant
 * Last reply from: [tjmarx73](https://wordpress.org/support/users/tjmarx73/)
 * Last activity: [11 years, 9 months ago](https://wordpress.org/support/topic/w3c-error-2/)
 * Status: not resolved

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